Find a video or soundclip online, with the exact instrument sound, you are looking for. -Link to it!
You need to add exact timestamps, for where the wanted sound starts, and less important -ends
Like @2:32 -> 2:55
Besides that, since you are new in Forum
Welcome AidenBrowner !
Here are all important links:
http://lmms.io/forum/viewtopic.php?f=1&t=4740
-A few rules and useful forum instructions